<!DOCTYPE HTML>
<html>
<body onload="doTest()">
<canvas id="c" width="200" height="200" style="display:block"></canvas>
<img id="img" src="image_green-16x16.png" style="display:none">
<script>
var c = document.getElementById("c");
var img = document.getElementById("img");
var ctx = c.getContext("2d");
ctx.shadowColor = "black";
ctx.shadowOffsetX = 0;
ctx.shadowOffsetY = 10;
function doTest() {
  ctx.drawImage(img, 0, 0);
}
</script>
</body>
</html>
